PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7631637Adapter,straight,flange to Flang

Hydac Corp · NSN 4730-01-659-3837 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-659-3837 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-659-3837. Primary manufacturer part number: 7631637.
Features
  • Adapter,straight,flange to Flang — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Hydac Corp
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Adapter,straight,flange to Flang, cataloged under National Stock Number 4730-01-659-3837, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Hydac Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAdapter,straight,flange to Flang
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersHydac Corp (CAGE 02XP9); Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (CAGE 01365)
Technical Specifications
ParameterValue
NSN4730-01-659-3837
Primary Part Number7631637
Item NameAdapter,straight,flange to Flang
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHydac Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5910-00-126-9169 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cross-Reference Index
Part NumberManufacturer
7631637 PRIMARY Hydac Corp (USA)
12012H2206 Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA)
Related Parts
5910-00-126-9169INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC

Frequently Asked Questions

What is NSN 4730-01-659-3837?

NSN 4730-01-659-3837 is a Adapter,straight,flange to Flang, manufactured by Hydac Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-659-3837?

NSN 4730-01-659-3837 has 2 cross-referenced part numbers: 7631637 (Hydac Corp), 12012H2206 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).

What NSN replaces 4730-01-659-3837?

There is 1 known substitute for 4730-01-659-3837: 5910-00-126-9169. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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